Claim

The study's GWAS, cell-interaction analyses, and mouse validation indicate that peripheral nerves fine-tune maxilla shape during embryonic development.

Type CAUSAL · truth-evaluable: yes · status at snapshot: ACTIVE · created seq 24209 · qualifiers {"population":"Embryonic development; mouse validation and human facial-trait analyses"}

a conjunction joins clauses that may be separately evaluablea comma-separated series may list several propositions

Referenced 185 times: checked 1, looked up by assistants 0, viewed 141, shared 43. A count of attention, not evidence.

Topics

Biology · 1efd24fe Medicine · 1efd24fe

Assessment

Leans supported

Score: 0.6550 under ledger-default@0.3.0 at snapshot 27745

3 of 4 review checks done · 1 counted · 2 by the author only

2 independent evidence lineages · review checks 1 of 4 · stability LOW

Main unresolved issue: 4 counted evidence items have no independence review; repeats of one origin may be counted as several coverage:600b69fc-fa2b-836b-8baa-6a044adad37f

Not yet independently audited.Evidence points both ways.This assessment depends heavily on modeling choices.A quoted passage from nature.com was not found on the page when Galedra fetched it.

Why?

Strongest counted support: The abstract says combined association, interaction, and mouse-validation analyses indicate peripheral nerves fine-tune embryonic maxilla shape. weight 1.800000 evidence

Strongest counted contradiction: The study says it remains to determine whether Neurog1-KO bone defects arose from altered cell signaling or other mechanisms. weight 0.540000 evidence

Suppressed as dependent: The passage directly states that GWAS, cell-signaling interaction analysis, and mouse validation revealed peripheral nerves fine-tune maxilla shape during embryonic development.

Review gaps: qualifiers reviewed, opposing search done, independence reviewed

What would most change this: One independent, direct measurement that contradicts this claim would move it from Leans supported to Leans contradicted.

Hide calculation

0.6550 under ledger-default@0.3.0 at snapshot 27745 · state Leans supported · Review checks: 1 of 4 · stability LOW · 4 sources, 2 independent lineages

Model ledger-default@0.3.0 (the default model, not the answer) · snapshot 27745 · trace sha256:18f633495ede6bb6c9b17204685a74772b5bdc0b51f1338354d58957090a0cc8

Last changed at entry seq 25247; nothing logged since has borne on this claim.

How the number was reached

Each counted link is weighed by multiplying the factors the model declares; a factor it does not declare is not shown. Every factor name below links to what that number means.

Link	Working	Weight	Counted as
724fcd35 support	relevance DIRECT 2.0 × observation DIRECT_TEXT 0.9 × interpretation 0 steps, 1 − 0.15 × 0 1.000000 × authenticity UNVERIFIED 1.0 × extraction UNVERIFIED 1.0 × provenance INDEPENDENT 1.0 × edition NAMED_OR_UNRELATED 1	1.800000	0.000000 (dependent strongest only, kept 58b605a2)
58b605a2 support	relevance DIRECT 2.0 × observation DIRECT_TEXT 0.9 × interpretation 0 steps, 1 − 0.15 × 0 1.000000 × authenticity UNVERIFIED 1.0 × extraction UNVERIFIED 1.0 × provenance INDEPENDENT 1.0 × edition NAMED_OR_UNRELATED 1	1.800000	1.800000
22e0f64e qualify	relevance DIRECT 2.0 × observation DIRECT_TEXT 0.9 × interpretation 0 steps, 1 − 0.15 × 0 1.000000 × authenticity UNVERIFIED 1.0 × extraction UNVERIFIED 1.0 × provenance INDEPENDENT 1.0 × edition NAMED_OR_UNRELATED 1	1.800000	0.000000 (non directional)
b8a304be contradict	relevance MODERATE 0.6 × observation DIRECT_TEXT 0.9 × interpretation 0 steps, 1 − 0.15 × 0 1.000000 × authenticity UNVERIFIED 1.0 × extraction UNVERIFIED 1.0 × provenance INDEPENDENT 1.0 × edition NAMED_OR_UNRELATED 1	0.540000	0.540000

prior 0.35 → log-odds -0.619039 + 1.260000 (the counted weights) = 0.640961 → probability 0.6550

Under neighbouring settings of the same model: 0.5654 to 0.7348, a spread of 0.1694.

Half-even rounding, six places for weights and four for the probability. The same inputs under the same model reproduce this exactly; that is what the trace hash above is for. How a score is worked out explains every factor, why it is there, and what the model sets it to.

Your view

Registered views

Nobody has registered a view yet.

Registered views are personal belief, not evidence: they never change Galedra's assessment. Affiliations are self-declared and shown only for groups of 5 or more.

Checked as part of

Statements this claim was broken out of. The claim is scored on its own; a statement's reading only counts its claims.

“A multimodal embryonic facial atlas links cell states, regulatory elements, and peripheral-nerve signaling to human facial variation and craniofacial...” · 3 claims · 29 September 2026

Evidence for

The abstract says combined association, interaction, and mouse-validation analyses indicate peripheral nerves fine-tune embryonic maxilla shape.

From Atlas of cell types and regulatory elements underlying human facial diversity Read 2026-09-29 Relevance DIRECT Steps 0 Counted
The passage directly states that GWAS, cell-signaling interaction analysis, and mouse validation revealed peripheral nerves fine-tune maxilla shape during embryonic development.

From Atlas of cell types and regulatory elements underlying human facial diversity Read 2026-09-29 Relevance DIRECT Steps 0 Counted

Evidence against

The study says it remains to determine whether Neurog1-KO bone defects arose from altered cell signaling or other mechanisms.

From Atlas of cell types and regulatory elements underlying human facial diversity Read 2026-09-29 Relevance MODERATE Steps 0 Counted

The primary study explicitly leaves the causal mechanism unresolved, opposing a definitive nerve-signaling interpretation.

Qualifications

The maxilla phenotype was demonstrated in Neurog1-knockout mouse embryos, while its mechanism remains unresolved between altered signaling and other causes.

From Atlas of cell types and regulatory elements underlying human facial diversity Read 2026-09-29 Relevance DIRECT Steps 0 Counted

The claim spans human GWAS/cell-interaction inference and mouse validation; the direct phenotype evidence is mouse-specific and the causal mechanism remains open.

Suppressed as dependent

Evidence	Group	Kept instead
02b8a265		58b605a2

Inferences

Concluded from

None.

Used as a premise in

None.

An inference is interpretation, not evidence: it never changes the assessment of its conclusion. Each premise is a claim with its own evidence.

Threads

None. Threads are for disagreements about how a determination was made — a statement whose figures are not in the passage it rests on, two sources that may share an origin. Something about the world belongs in the evidence above.

Claim edges

None. Edges are stored and displayed; v0.1 does not propagate probability across them.

Review checklist

Review checks: 1 of 4

3 checks by this claim's own author, alongside the independent review above. 1 OPPOSING EVIDENCE SEARCH · 1 QUALIFIER CHECK · 1 EVIDENCE VERIFICATION. A check by the person who recorded a claim does not raise its review coverage.

Check	Done	By
qualifiers reviewed	no
opposing search done	no
independence reviewed	no
primary source reviewed	yes	724fcd35, 58b605a2, 22e0f64e, b8a304be

Summary

Leans supported. The main support is: The abstract says combined association, interaction, and mouse-validation analyses indicate peripheral nerves fine-tune embryonic maxilla shape. accb8173

Against that, contradiction: The study says it remains to determine whether Neurog1-KO bone defects arose from altered cell signaling or other mechanisms. 4f3bc7e7

1 further item repeats the same origin and is not independent evidence. 02b8a265

Qualifier: The maxilla phenotype was demonstrated in Neurog1-knockout mouse embryos, while its mechanism remains unresolved between altered signaling and other causes. 0e5f2ec1

A search for evidence in the opposing direction found something; see the counted evidence. 74914132

Review checks: 1 of 4. coverage:600b69fc-fa2b-836b-8baa-6a044adad37f

Generated by stub-v0.1; every sentence cites graph ids.

Contribution history

seq	event	detail
24209	APPENDED
24210	ACCEPT	AUTOMATIC_AFTER_VALIDATION
24223	LINK_EVIDENCE	by 1efd24fe (accepted)
24225	TASK_RESULT	by 1efd24fe (accepted)
24981	TASK_RESULT	by 1efd24fe (accepted)
25246	TASK_RESULT	by 1efd24fe (accepted)

Score trace

{
  "claim": "600b69fc-fa2b-836b-8baa-6a044adad37f",
  "links": [
    {
      "kept": "2dfa12e3-50cd-8ad2-b81a-e26c58b605a2",
      "link": "1671d2c6-f96b-8829-8659-963e724fcd35",
      "group": null,
      "reason": "dependent_strongest_only",
      "edition": "NAMED_OR_UNRELATED",
      "evidence": "0c7c0d19-aee2-8844-93dc-d3e802b8a265",
      "direction": "SUPPORT",
      "magnitude": "1.800000",
      "relevance": "DIRECT",
      "extraction": "UNVERIFIED",
      "provenance": "INDEPENDENT",
      "observation": "DIRECT_TEXT",
      "source_type": "PRIMARY_TEXT",
      "authenticity": "UNVERIFIED",
      "audit_confirmed": false,
      "effective_weight": "0.000000",
      "interpretive_steps": 0
    },
    {
      "link": "2dfa12e3-50cd-8ad2-b81a-e26c58b605a2",
      "group": null,
      "edition": "NAMED_OR_UNRELATED",
      "evidence": "43514b53-79af-8c91-82ca-caddaccb8173",
      "direction": "SUPPORT",
      "magnitude": "1.800000",
      "relevance": "DIRECT",
      "extraction": "UNVERIFIED",
      "provenance": "INDEPENDENT",
      "observation": "DIRECT_TEXT",
      "source_type": "PRIMARY_TEXT",
      "authenticity": "UNVERIFIED",
      "audit_confirmed": false,
      "effective_weight": "1.800000",
      "interpretive_steps": 0
    },
    {
      "link": "84b78559-20d4-83e8-a618-29a622e0f64e",
      "group": null,
      "reason": "non_directional",
      "edition": "NAMED_OR_UNRELATED",
      "evidence": "36e87209-faaa-854c-97df-53bf0e5f2ec1",
      "direction": "QUALIFY",
      "magnitude": "1.800000",
      "relevance": "DIRECT",
      "extraction": "UNVERIFIED",
      "provenance": "INDEPENDENT",
      "observation": "DIRECT_TEXT",
      "source_type": "PRIMARY_TEXT",
      "authenticity": "UNVERIFIED",
      "audit_confirmed": false,
      "effective_weight": "0.000000",
      "interpretive_steps": 0
    },
    {
      "link": "dadc4f80-f3c8-89a3-a9c9-b4f0b8a304be",
      "group": null,
      "edition": "NAMED_OR_UNRELATED",
      "evidence": "5454e5d2-b174-8315-a393-9a0d4f3bc7e7",
      "direction": "CONTRADICT",
      "magnitude": "0.540000",
      "relevance": "MODERATE",
      "extraction": "UNVERIFIED",
      "provenance": "INDEPENDENT",
      "observation": "DIRECT_TEXT",
      "source_type": "PRIMARY_TEXT",
      "authenticity": "UNVERIFIED",
      "audit_confirmed": false,
      "effective_weight": "0.540000",
      "interpretive_steps": 0
    }
  ],
  "model": "ledger-default@0.3.0",
  "prior": "0.35",
  "variants": {
    "spread": "0.1694",
    "permissive": "0.7348",
    "conservative": "0.5654"
  },
  "code_hash": "sha256:c61a6fdf35a754a0d7e958df149036a083c0eaeb7d2d2e52704ec32b0c36def7",
  "contested": true,
  "stability": "LOW",
  "claim_type": "CAUSAL",
  "config_hash": "sha256:86768038080b8ab5233f1e4b7aba10af05b5bb44caa432095150b90e81209809",
  "probability": "0.6550",
  "provisional": true,
  "evidence_sum": "1.260000",
  "snapshot_seq": 25247,
  "prior_log_odds": "-0.619039",
  "support_groups": 1,
  "model_dependent": true,
  "review_coverage": "0.25",
  "truth_evaluable": true,
  "assessment_state": "LEANS_SUPPORTED",
  "review_checklist": {
    "qualifiers_reviewed": {
      "by": [],
      "ok": false
    },
    "opposing_search_done": {
      "by": [],
      "ok": false
    },
    "independence_reviewed": {
      "by": [],
      "ok": false
    },
    "primary_source_reviewed": {
      "by": [
        "1671d2c6-f96b-8829-8659-963e724fcd35",
        "2dfa12e3-50cd-8ad2-b81a-e26c58b605a2",
        "84b78559-20d4-83e8-a618-29a622e0f64e",
        "dadc4f80-f3c8-89a3-a9c9-b4f0b8a304be"
      ],
      "ok": true
    }
  },
  "contradict_groups": 1,
  "rounding_boundary": false,
  "posterior_log_odds": "0.640961",
  "not_applicable_reason": null,
  "independence_unreviewed": 4
}